Shaking-sieve and cleaner therefor



1N0. 752,448. PATENTED FEB. 16, 1904.

- w. n. GRAY. I

SHAKING. SIEVE, AND CLEANER THEREFOR.

urmuumr rum) NOV. 19. 1900.

no MODEL.

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ZN VEN TOR 1 N0.'752,448; I x I Patented February 16, 1904.

UNITED STATES PATENT OFFICE.

WILLIAM D. GRAY, or MILWAUKEE, WISCONSIN, ASSIeNO BY MESNE ASSIGNMENTS, TO ALLIS-OHALMERS cOMrANY, A CORPORATION OF NEW JERSEY. v l

SHAKlNG-S IEVE AND CLEANER THEREFOR.

SPECIFICATION forming part of Letters Patent No. 752,448, dated February 16, 1904. Application filed November 19, 1900. Serial No. 37,005. (N model.)

T 0 all whom it y con/067%? ance F centrally formed thereon. Within the Be it known that LWILLIAM D. GRAY, a citicup-shaped metallic back is seated the brushzen of the United States, residing at Milwaubody G, formed of wood, leather, or the like, kee, in the county of Milwaukee and State carrying a series of bristle-tufts H. After 5 of Wisconsin, have invented certain new and said body is in place the edge of the back is useful Improvements in Shaking-sieves and turned inwardly over said body, as indicated Cleaners Therefor, of which the following is at a, Fig. 5, firmly securing the body and back a specification. together, and this withoutthe use of any'sep- 55 My present invention pertains to improvearate fastening device. The rounded projec- IO ments in shaking-sieves and cleaners therefor, tion F is of such size relative to the openings the construction and advantages of which will in the wire-netting that it may pass partly into be hereinafter set forth. said openings. Consequently when the brush This invention, which is in the nature of an is moved or thrown about in the sieve-frame 60 improvement upon or modification of my prethe projection rides Over the wires, causing the vious patent, numbered 660,569, dated Octobrush to tip or tilt, and this tipping or tilting ber 30, 1900, will be found fully shown in the motion serves to project the bristles through annexed drawings, wherein the meshes of the cloth and thoroughly clean Figure l is a perspective view of a sievethe same. 5 section, a portion of the bolting-cloth being In Fig. 5 a modified construction of brush 2o omitted andaportion of the lining being shown is shown, wherein instead of forming the away from the frame; Fig. 2, a longitudinal round projection or protuberance centrally of sectional view of Fig. 1; Fig. 3, a perspecthe brush-back it is placed eccentric thereto. tive view of the brush; Fig. 4, a similar view Under this formation the bristles farthest 70 looking at the opposite side, and Fig. 5 a secfrom the protuberance are given a wider tional view illustrating a modification of the range of movement or, in other words, have brush structure and the manner of constructimparted to them a greater tipping or tilting ing the same. motion than can be had with the projection The object of the present invention is to proor protuberance centrally located. The dif- 7 5 vide an improved form of cleaning-brush for ference in action and range of the two forms 0 the sieve and also to provide a new or modiis best illustrated by the full and dotted line fied form of lining for the interior-face of the positions of the two brushes. (Shown in sieve-frame. Fig. 2.)

Referring to the drawings, A designates the It is manifest that the protuberance eccen- 80 frame of a sieve or sieve-section, having setrically located may be employed in conjunccured to its lower face a wire net or similar tion with brushes of other construction, though foraminous surface B, while the upper side or the form shown is preferred. face is provided with the usual sieve-cloth C. In use the brush, whether it be of the form The interior face of the sieve-frame is lined shown in Fig. 4 or Fig. 5, is thrown about 5 with a strip of material Dsuch, for instance, within the frame beneath the sieve-surface by 4 as leatherto resist the action of the cleaningthe action of the machine. In its travel over brush, which would otherwise wear or cut the wire-netting or other foraminous surface away the frame, usually constructed of soft it tips or tilts, the bristles cleaning the surwood. Within the sieve-section thus formed face of the bolting-cloth at' times being pro- 9 is placed one or more cleaning-brushes. The jected through its meshes. The contact of brush, as illustrated in Figs. 3and 4, comprises the brush with the side of the frame of the a metal back E cup shape in form and prosieve would, were it not for the leather or vided with a rounded projection or protuberother yielding material secured thereon, in

time cut away theframe. The employment of the leather or other protecting strip, l1OW-' machines and the like, comprising a main body portion carrying bristles, and a cup-shaped back having a roundd projection formed thereon to one side of its center, the edge of the back being turned over on the face of the body portion after-said body portion is seated:

Within said back.

2.- A brush for cleaning the sieves of siftingmachines and the like, comprisinga main body portion carrying bristles, and a rounded projection on the back of the brush, said projec:

tion being located to one side of the axial center thereof.

3. A brush for cleaning the sieves of siftingmachines and the like, comprising a main body portion of circular contour, a series of distinct and separated tufts of bristles extending up therefrom, and a rounded projection extending from the back of the brush, said projection being located to one side of the center.

In testimony whereof I have signed my name to this specification in the presence of two sub scribing. Witn esses.

WILLIAM D. GRAY.

Witnesses:

JOHN PHELPS, WM. BANNEN. 

